NPPES file of Aug 9, 2026

Robert A. Kessler, MD

Infectious Disease Physician · Sioux Falls, SD

Robert A. Kessler, MD is an infectious disease physician with a practice address in Sioux Falls, South Dakota, and NPI 1932368602, issued on Jun 6, 2008. Check the license (South Dakota 9108, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932368602
Name
Robert A. Kessler
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
9108 SD
MD19000 ME
Self-reported in NPPES; status is on the state search
Practice location
6709 S Minnesota Ave Ste 102, Sioux Falls, SD 57108
Phone
(605) 322-7250
Enumerated
Jun 6, 2008
Record last updated
Feb 22, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180301000517); accepts Medicare assignment
Medical or professional school
Sanford School Of Medicine Of University Of South Dakota, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6709 S Minnesota Ave Ste 102

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Attig, PA-CPhysician Assistant1881178911
  2. Kyle Gilbert, FNPFamily Nurse Practitioner1174314223
  3. Dayana Maita Coronel, MDInfectious Disease Physician1447697693
  4. Jawad Nazir, MDInfectious Disease Physician1972579118
  5. Susan Richards, CNPNurse Practitioner1649866997
  6. Asma Syed, M.D.Infectious Disease Physician1700172855

Verify Robert A. Kessler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 9108
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Dakota license search

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44% fewer Medicare Part D claims than the average infectious disease physician in 2024

383 Medicare Part D claims for 82 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Robert Kessler383
  2. Specialty average689

Most prescribed

  1. Cefadroxil50 claims
  2. Doxycycline Hyclate48 claims
  3. Posaconazole22 claims
  4. Vancomycin Hcl19 claims
  5. Cephalexin17 claims
  6. Rifampin17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $14.35

1 payment: food and beverage; the largest payer was Alkermes, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Kessler$14.35
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Avera MckennanSioux Falls, SD
  2. St Michael's Hospital, Inc.Tyndall, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Infectious Disease Physician providers in South Dakota

There are 24 infectious disease physician records in South Dakota.

Other infectious disease physician records in South Dakota

  1. Emad Abu Sitta, M.DSioux Falls, SD1194165977
  2. Manuel Arbo, MDRapid City, SD1114993128
  3. Bertha Ayi, M.D. FACPSioux Falls, SD1083670343
  4. Andrea Calderon, MDRapid City, SD1225598550
  5. Miguel Cervera Hernandez, M.D.Sioux Falls, SD1093166209
  6. Gerard David, MDSioux Falls, SD1831145283
  7. Nicholas Goodhope, MDRapid City, SD1902465685
  8. Wendell Hoffman, MDSioux Falls, SD1265485478
  9. Jennifer Hsu, M.D.Sioux Falls, SD1801844329
  10. James Keegan, MDRapid City, SD1023118619

Common questions

What is Robert A. Kessler, MD's NPI number?

Robert A. Kessler, MD's National Provider Identifier (NPI) is 1932368602, issued on Jun 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Robert A. Kessler, MD located?

The NPPES record lists a practice address at 6709 S Minnesota Ave Ste 102, Sioux Falls, SD, 57108. Phone: (605) 322-7250. Providers update this record themselves, so call before visiting.

How can I verify Robert A. Kessler, MD's license?

NPPES lists South Dakota license number 9108, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert A. Kessler, MD prescribe under Medicare Part D?

In 2024, Robert A. Kessler, MD had 383 Medicare Part D claims for 82 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.